Audio Hum Removal

Remove electrical hum (50/60Hz and harmonics) from audio

Uses multiple notch filters to target electrical hum at 50Hz/60Hz and their harmonics. Useful for cleaning recordings with power line interference.

Audio File *

Click to upload file or drag and drop file here

Maximum file size: 200MB Supported formats: audio/*

Hum Type

Custom Frequency (Hz)

Include Harmonics

Remove harmonic frequencies (2x, 3x... up to 2kHz)

Filter Width (Hz)

Width of frequency cut. Lower (1-5Hz) is better for preserving audio.

Reduction Depth (dB)

How much to reduce the target frequencies. More negative = stronger reduction.

Output Format

API Documentation

Request Endpoint

POST /en/api/tools/audio-hum-removal

Request Parameters

Parameter Name	Type	Required	Description
audioFile	file (Upload required)	Yes	-
preset	select	No	-
customFrequency	number	No	-
includeHarmonics	checkbox	No	Remove harmonic frequencies (2x, 3x... up to 2kHz)
widthHz	number	No	Width of frequency cut. Lower (1-5Hz) is better for preserving audio.
depthDb	number	No	How much to reduce the target frequencies. More negative = stronger reduction.
outputFormat	select	No	-

File type parameters need to be uploaded first via POST /upload/audio-hum-removal to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

File: File

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-audio-hum-removal": {
      "name": "audio-hum-removal",
      "description": "Remove electrical hum (50/60Hz and harmonics) from audio",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-hum-removal",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]